if (lblMessages .Location.X <-180)
{
//this.Controls.Remove(lblMessages);//移除后就不在第二次显示了所以隐藏在需要的时候在启动
lblMessages.Visible = false;
lblMessages.Left =530;
timerMessage.Stop();
}
this.lblMessages.Left -= 2;
if ( lblMessages.Left ==200)
{
lblMessages.Visible = false;
timerMessage.Stop();
}